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Earth and space
| Question | Answer |
|---|---|
| Celestial object | Any natural body beyond the Earths atmosphere |
| Galaxy | A system of stars |
| Solar system | Made up of a star and the celestial objects that orbit it |
| Star | Celestial object that emits light. Mainly composed of hydrogen and helium |
| Planet | Object that orbits a star |
| Comet | Small lump of ice and dust that orbits the sun |
| Asteroid | Small lump of rock that orbits the sun |
| Moon | Celestial object that orbits a planet |
| Space | The empty region between celestial objects |